CVE-2021-3899
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I. Basic Information for CVE-2021-3899
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
There is a race condition in the 'replaced executable' detection that, with the correct local configuration, allow an attacker to execute arbitrary code as root.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Canonical Apport 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Canonical Apport是英国Canonical公司的一款用于收集并反馈错误信息（当应用程序崩溃时操作系统认为有用的信息）的工具包。 Canonical Apport 存在竞争条件问题漏洞，该漏洞源于Apport错误地检测奔溃后可执行文件是否被替换。本地攻击者可能会利用该漏洞以 root 用户身份执行任意代码。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Canonical Ltd. | Apport | 0 ~ 2.21.0 | - |
II. Public POCs for CVE-2021-3899
| # | POC Description | Source Link | Shenlong Link |
|---|---|---|---|
| 1 | race condition in apport lead to Local Privilege Escalation on Ubuntu | https://github.com/liumuqing/CVE-2021-3899_PoC | POC Details |
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- CVE Record: CVE-2021-3899issue-tracking
- https://ubuntu.com/security/notices/USN-5427-1vendor-advisory
- https://nvd.nist.gov/vuln/detail/CVE-2021-3899
Same Patch Batch · Canonical Ltd. · 2024-06-03 · 3 CVEs total
| CVE-2022-1242 | Canonical Apport 安全特征问题漏洞 | |
| CVE-2022-0555 | Canonical Subiquity 安全漏洞 |
IV. Related Vulnerabilities
V. Comments for CVE-2021-3899
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